1400440205011 has 8 divisors (see below), whose sum is σ = 1435946901984. Its totient is φ = 1364997775680.

The previous prime is 1400440204991. The next prime is 1400440205111. The reversal of 1400440205011 is 1105020440041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1400440205011 is a prime.

It is a super-2 number, since 2×1400440205011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400440205111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16022776 + ... + 16109941.

It is an arithmetic number, because the mean of its divisors is an integer number (179493362748).

Almost surely, 2^{1400440205011} is an apocalyptic number.

1400440205011 is a deficient number, since it is larger than the sum of its proper divisors (35506696973).

1400440205011 is a wasteful number, since it uses less digits than its factorization.

1400440205011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32133821.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 1400440205011 its reverse (1105020440041), we get a palindrome (2505460645052).

The spelling of 1400440205011 in words is "one trillion, four hundred billion, four hundred forty million, two hundred five thousand, eleven".